US2598709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for operating a closure for an opening
Assignee: Individual
•
Filing: 1950-01-05
•
Granted: 1952-06-03
•
Expires: 1970-01-05
Abstract
No abstract record available.
Inventors
- 👤 Howard I Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:48
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F15/681; E05F15/686; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18688; Y10T74/18792; Y10T74/18832; Y10T74/18848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US150612A
Cited
US238762A
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US652893A
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US900477A
Cited
US1110248A
Cited
US1260561A
Cited
US1289211A
Cited
US1661719A
Cited
US2378262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |